ATE242275T1 - MULTI-STEP PROCESS FOR THE PRODUCTION OF POLYOLEFINS WITH HIGH MELTING STRENGTH - Google Patents

MULTI-STEP PROCESS FOR THE PRODUCTION OF POLYOLEFINS WITH HIGH MELTING STRENGTH

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Publication number
ATE242275T1
ATE242275T1 AT99963633T AT99963633T ATE242275T1 AT E242275 T1 ATE242275 T1 AT E242275T1 AT 99963633 T AT99963633 T AT 99963633T AT 99963633 T AT99963633 T AT 99963633T AT E242275 T1 ATE242275 T1 AT E242275T1
Authority
AT
Austria
Prior art keywords
component
polyolefin
polyolefins
production
high melting
Prior art date
Application number
AT99963633T
Other languages
German (de)
Inventor
Arild Follestad
Original Assignee
Borealis Tech Oy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GBGB9827706.4A external-priority patent/GB9827706D0/en
Priority claimed from GBGB9827863.3A external-priority patent/GB9827863D0/en
Application filed by Borealis Tech Oy filed Critical Borealis Tech Oy
Application granted granted Critical
Publication of ATE242275T1 publication Critical patent/ATE242275T1/en

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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F297/00Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer
    • C08F297/06Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the coordination type
    • C08F297/08Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the coordination type polymerising mono-olefins
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F10/00Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F210/00Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F210/16Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F297/00Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer
    • C08F297/06Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the coordination type
    • C08F297/08Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the coordination type polymerising mono-olefins
    • C08F297/083Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the coordination type polymerising mono-olefins the monomers being ethylene or propylene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F10/00Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F10/02Ethene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F110/00Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F110/02Ethene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F4/00Polymerisation catalysts
    • C08F4/42Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62Refractory metals or compounds thereof
    • C08F4/64Titanium, zirconium, hafnium or compounds thereof
    • C08F4/659Component covered by group C08F4/64 containing a transition metal-carbon bond
    • C08F4/65912Component covered by group C08F4/64 containing a transition metal-carbon bond in combination with an organoaluminium compound
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F4/00Polymerisation catalysts
    • C08F4/42Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62Refractory metals or compounds thereof
    • C08F4/64Titanium, zirconium, hafnium or compounds thereof
    • C08F4/659Component covered by group C08F4/64 containing a transition metal-carbon bond
    • C08F4/65916Component covered by group C08F4/64 containing a transition metal-carbon bond supported on a carrier, e.g. silica, MgCl2, polymer
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F4/00Polymerisation catalysts
    • C08F4/42Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62Refractory metals or compounds thereof
    • C08F4/64Titanium, zirconium, hafnium or compounds thereof
    • C08F4/659Component covered by group C08F4/64 containing a transition metal-carbon bond
    • C08F4/6592Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
    • C08F4/65922Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring containing at least two cyclopentadienyl rings, fused or not
    • C08F4/65925Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring containing at least two cyclopentadienyl rings, fused or not two cyclopentadienyl rings being mutually non-bridged
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F4/00Polymerisation catalysts
    • C08F4/42Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62Refractory metals or compounds thereof
    • C08F4/64Titanium, zirconium, hafnium or compounds thereof
    • C08F4/659Component covered by group C08F4/64 containing a transition metal-carbon bond
    • C08F4/6592Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
    • C08F4/65922Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring containing at least two cyclopentadienyl rings, fused or not
    • C08F4/65927Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring containing at least two cyclopentadienyl rings, fused or not two cyclopentadienyl rings being mutually bridged
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S526/00Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S526/905Polymerization in presence of transition metal containing catalyst in presence of hydrogen

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)

Abstract

A polyolefin comprising a higher molecular weight component (HMW) and a lower molecular weight component (LMW), the LMW component forming 20 to 80% wt. of the polyolefin and the HMW component forming 15 to 75% wt. of the polyolefin and having a Mw/Mn of less than 10, said polyolefin having a melt strength greater than Ä0.024 x (20,000 + eta 0.05)< &circ& 0.5>Ü - 2.6 (where eta 0.05 is the melt viscosity (Ns/m<2>) at a shear rate of 0.05s<-1>); and the ratio of peak molecular weight of the high MW component over that of the low MW component is above 2.
AT99963633T 1998-12-16 1999-12-16 MULTI-STEP PROCESS FOR THE PRODUCTION OF POLYOLEFINS WITH HIGH MELTING STRENGTH ATE242275T1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9827706.4A GB9827706D0 (en) 1998-12-16 1998-12-16 Process
GBGB9827863.3A GB9827863D0 (en) 1998-12-17 1998-12-17 Process
PCT/GB1999/004273 WO2000035970A1 (en) 1998-12-16 1999-12-16 Multistep process for preparing polyolefins having high melt strength

Publications (1)

Publication Number Publication Date
ATE242275T1 true ATE242275T1 (en) 2003-06-15

Family

ID=26314847

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99963633T ATE242275T1 (en) 1998-12-16 1999-12-16 MULTI-STEP PROCESS FOR THE PRODUCTION OF POLYOLEFINS WITH HIGH MELTING STRENGTH

Country Status (8)

Country Link
US (1) US6573343B1 (en)
EP (2) EP1141045B1 (en)
CN (1) CN1171915C (en)
AT (1) ATE242275T1 (en)
AU (1) AU1987600A (en)
DE (1) DE69908649T2 (en)
ES (1) ES2201821T3 (en)
WO (1) WO2000035970A1 (en)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO980552D0 (en) * 1998-02-09 1998-02-09 Borealis As Catalyst component and catalyst for (co) polymerization of ethylene, and process for preparing such
TW575586B (en) * 2001-04-12 2004-02-11 Ube Industries Method of polymerizing ethylenically unsaturated monomer
CN1328310C (en) * 2004-11-05 2007-07-25 中国科学院化学研究所 Polyolefin composite material and preparation method
US7804975B2 (en) * 2005-07-01 2010-09-28 Phonak Ag In-ear device
DE102005035477A1 (en) 2005-07-26 2007-02-01 Basell Polyolefine Gmbh Preparation of olefin polymers, e.g. polyethylene, for producing pressure pipes for transport of gas and wastewater, by polymerization of alpha-olefin(s) with hybrid catalyst to produce higher and lower molecular weight polymer components
US20100056727A1 (en) * 2005-08-24 2010-03-04 Dow Global Technologies Inc. Polyolefin compositions, articles made therefrom and methods for preparing the same
US20070203299A1 (en) * 2006-02-27 2007-08-30 Novolen Technology Holdings C.V. High melt strength polypropylene
RU2444546C2 (en) * 2006-04-07 2012-03-10 ДАУ ГЛОБАЛ ТЕКНОЛОДЖИЗ ЭлЭлСи Polyolefin compositions, articles made therefrom and preparation methods thereof
CA2605044C (en) * 2007-10-01 2014-12-02 Nova Chemicals Corporation Polymerization process using a mixed catalyst system
JP5378408B2 (en) 2007-12-31 2013-12-25 ダウ グローバル テクノロジーズ エルエルシー Ethylene-based polymer composition, method for producing the composition
EP2228395A1 (en) * 2009-02-24 2010-09-15 Borealis AG Improved multi-stage process for producing multi-modal ethylene polymer composition
EP2228394B1 (en) * 2009-02-24 2013-09-04 Borealis AG Multi-stage process for producing multi-modal linear low density polyethylene
KR101060012B1 (en) * 2009-06-02 2011-08-29 주식회사 효성 Method for producing polypropylene random copolymer
EP2348058B1 (en) * 2010-01-22 2014-01-01 Borealis AG Heterophasic polypropylene resin and composition
EP2561016B1 (en) * 2010-04-21 2015-06-03 Borealis AG Propylene/1-hexene copolymer composition with low sealing temperature
CA2824771A1 (en) * 2011-01-14 2012-07-19 W.R. Grace & Co.-Conn. Process of making modified metallocene catalyst, catalyst produced and use thereof
US10155831B2 (en) 2013-09-05 2018-12-18 Univation Technologies, Llc Process control for long chain branching control in polyethylene production
RU2672730C2 (en) * 2013-09-05 2018-11-19 ЮНИВЕЙШН ТЕКНОЛОДЖИЗ, ЭлЭлСи Polyethylenes with increased molecular weight distribution
US9353196B2 (en) * 2013-11-20 2016-05-31 Equistar Chemicals, Lp Bimodal polymerization process utilizing chromium/silica catalysts
JP6502530B2 (en) 2015-02-04 2019-04-17 エクソンモービル ケミカル パテンツ インコーポレイテッド Polypropylene with balanced strain hardening, melt strength, and shear thinning
US20180051160A1 (en) 2015-02-04 2018-02-22 Exxonmobil Chemical Patents Inc. Stabilized Balanced Melt Strength and Strain Hardened Polypropylene
CN107466305B (en) 2015-04-10 2021-03-30 埃克森美孚化学专利公司 Extrusion of polypropylene with organic peroxides
EP3289014B1 (en) 2015-04-28 2021-08-11 ExxonMobil Chemical Patents Inc. Propylene-based impact copolymers
KR101715924B1 (en) 2015-09-24 2017-03-13 롯데케미칼 주식회사 Preparing method of catalyst for polymerization of olefin and process for polymerization of olefin using the same
US9645066B1 (en) 2015-12-04 2017-05-09 Chevron Phillips Chemical Company Lp Polymer compositions having improved processability and methods of making and using same
US9645131B1 (en) 2015-12-04 2017-05-09 Chevron Phillips Chemical Company Lp Polymer compositions having improved processability and methods of making and using same
EP3545008B1 (en) * 2016-11-24 2022-10-19 Basell Polyolefine GmbH Polyethylene composition for blow molding having high swell ratio and impact resistance
CN108148251B (en) * 2016-12-02 2020-07-14 中国石油天然气股份有限公司 Synthetic method of special resin for PE100 pipe fittings
US11193008B2 (en) * 2017-04-10 2021-12-07 Exxonmobil Chemical Patents Inc. Methods for making polyolefin polymer compositions
KR102449998B1 (en) 2017-11-02 2022-09-30 롯데케미칼 주식회사 A method for producing a catalyst composition for polyethylene polymerization
CN111902467B (en) 2018-02-05 2022-11-11 埃克森美孚化学专利公司 Processability of LLDPE enhanced by addition of ultra high molecular weight high density polyethylene
KR20200060625A (en) 2018-11-22 2020-06-01 롯데케미칼 주식회사 Preparation method of catalyst for polyethylene polymerization

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4939217A (en) 1987-04-03 1990-07-03 Phillips Petroleum Company Process for producing polyolefins and polyolefin catalysts
US5064797A (en) 1987-04-03 1991-11-12 Phillips Petroleum Company Process for producing polyolefins and polyolefin catalysts
US5032562A (en) 1989-12-27 1991-07-16 Mobil Oil Corporation Catalyst composition and process for polymerizing polymers having multimodal molecular weight distribution
US5104839A (en) 1990-05-29 1992-04-14 Phillips Petroleum Company Method for producing olefin polymer blends utilizing a chromium-zirconium dual catalyst system
US5032651A (en) 1990-05-29 1991-07-16 Phillips Petroleum Company Method for producing olefin polymer blends utilizing a chromium-zirconium dual catalyst system
FI86867C (en) * 1990-12-28 1992-10-26 Neste Oy FLERSTEGSPROCESS FOR FRAMSTAELLNING AV POLYETEN
CA2077744C (en) 1991-09-30 2003-04-15 Edwar Shoukri Shamshoum Homogeneous-heterogeneous catalyst system for polyolefins
CA2103380C (en) * 1992-11-19 2002-07-02 Mitsui Chemicals, Inc. Ethylene/.alpha.-olefin copolymer composition, graft modified ethylene/.alpha.-olefin copolymer composition, ethylene copolymer composition, and multi-stage olefin polymerization process
US5399540A (en) 1993-02-12 1995-03-21 Quantum Chemical Corporation ZR/V multi-site olefin polymerization catalyst
AU7521794A (en) * 1993-08-06 1995-02-28 Exxon Chemical Patents Inc. Polymerization catalysts, their production and use
PL187060B1 (en) 1993-09-17 2004-05-31 Bp Chem Int Ltd Polymerisation of olefins in gaseous phase
US5624877A (en) 1994-02-25 1997-04-29 Phillips Petroleum Company Process for producing polyolefins
US5543376A (en) 1994-02-25 1996-08-06 Phillips Petroleum Company Process for producing polyolefins
EP0692498A1 (en) 1994-07-13 1996-01-17 Quantum Chemical Corporation Vanadium-containing polymerization catalyst
US5525678A (en) 1994-09-22 1996-06-11 Mobil Oil Corporation Process for controlling the MWD of a broad/bimodal resin produced in a single reactor
FI96216C (en) 1994-12-16 1996-05-27 Borealis Polymers Oy Process for the production of polyethylene
CA2188722A1 (en) * 1995-10-26 1997-04-27 George Norris Foster Process for preparing an in situ polyethylene blend
JP2000514493A (en) 1996-07-15 2000-10-31 モービル・オイル・コーポレーション Comonomer pretreatment bimetallic catalysts for blow molding and film applications
JP2000515425A (en) 1996-08-02 2000-11-21 モービル・オイル・コーポレーション Supported modified Ziegler-metallocene catalysts for olefin polymerization
EP0881237A1 (en) 1997-05-26 1998-12-02 Fina Research S.A. Process to produce bimodal polyolefins with metallocene catalysts using two reaction zones
GB9712663D0 (en) * 1997-06-16 1997-08-20 Borealis As Process
FI973816A0 (en) * 1997-09-26 1997-09-26 Borealis As Polypropen med Hoeg smaeltstyrka

Also Published As

Publication number Publication date
CN1334826A (en) 2002-02-06
DE69908649D1 (en) 2003-07-10
EP1333040A2 (en) 2003-08-06
EP1141045B1 (en) 2003-06-04
ES2201821T3 (en) 2004-03-16
WO2000035970A1 (en) 2000-06-22
US6573343B1 (en) 2003-06-03
DE69908649T2 (en) 2004-04-29
CN1171915C (en) 2004-10-20
AU1987600A (en) 2000-07-03
EP1141045A1 (en) 2001-10-10
EP1333040A3 (en) 2004-04-07

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